Toro 20333 Operation Manual - Page 17

Figure 29 This figure is simplified for the purpose of clarity. 1. Blade nuts Figure 30 2. Stiffener 3. Tighten the nut on the cable support. Replacing the Blade Service Interval: Yearly-Replace the blade or have it sharpened (more frequently if the edge dulls quickly). Important: You will need a torque wrench to install the blade properly. If you do not have a torque wrench or are uncomfortable performing this procedure, contact an Authorized Service Dealer. Examine the blade whenever you run out of gasoline. If the blade is damaged or cracked, replace it immediately. If the blade edge is dull or nicked, have it sharpened and balanced, or replace it. WARNING The blade is sharp; contacting the blade can result in serious personal injury. Wear gloves when servicing the blade. 4. Remove the blade (Figure 30). 5. Install the new blade (Figure 30). 6. Install the stiffener you previously removed. 7. Install the blade nuts and torque them to 15 to 27 ft-lb (20 to 37 N-m). Cleaning the Blade Brake Clutch Shield Service Interval: Every 25 hours Clean the blade brake clutch shield yearly to prevent the blade from stalling while you mow. 1. Disconnect the spark plug wire from the spark plug. Refer to Preparing for Maintenance. 2. Tip the mower onto its side with the air filter up. 3. Remove the 2 blade nuts and the stiffener (Figure 31). 1. Disconnect the spark plug wire from the spark plug. Refer to Preparing for Maintenance. 2. Tip the mower onto its side with the air filter up. 3. Remove the 2 blade nuts and the stiffener (Figure 30). 1. Blade nuts 2. Stiffener 3. Blade Figure 31 4. Blade driver 5. Disk 6. Blade brake clutch shield 4. Remove the blade (Figure 31). 5. Remove the blade driver and disk (Figure 31). 17